[syslog-ng] Problem with syslog-ng version 2

Evan Rempel erempel at uvic.ca
Wed Aug 31 15:30:00 CEST 2016


We saw this behavior with the old 2.x versions as well even when the 
source was the kernel syslog API. When the messages were written to a 
file or forwarded to a central syslog server, some messages were 
unwrapped to a character by character stream. It always seemed to be the 
same application that had only some of its messages unwrapped. The 
symptoms went away after we upgraded to 3.x

I never tried to fix it, or track it down. It was only 100 messages per 
day in a stream of 100 million. I just upgraded.

Evan.


On 08/31/2016 06:25 AM, Alarie, Maxime wrote:
>
> Thanks for the update guys.
>
> I know the version is  old,  problem is I cannot update it since it’s 
> a black box and we would lose support from EMC.  Ill see what I can do.
>
> *De :*syslog-ng-bounces at lists.balabit.hu 
> [mailto:syslog-ng-bounces at lists.balabit.hu] *De la part de* Scheidler, 
> Balázs
> *Envoyé :* 31 août 2016 05:15
> *À :* Syslog-ng users' and developers' mailing list
> *Objet :* Re: [syslog-ng] Problem with syslog-ng version 2
>
> *Courriel provenant de l’externe
> ATTENTION, avant d’accéder à une pièce jointe ou à un lien de ce 
> courriel, assurez-vous que celui-ci provient d’un tiers de**confiance.*
>
> Well, older syslog-ng versions probably folowed the file as it was 
> written, and if only  a partial line was present, it was assumed to be 
> the entire message.
>
> Maybe the application is writing that file one-character at a time?
>
> But I agree with Peter, 2.0.9 is probably a decade old, so in order to 
> properly support your problems, you should definitely upgrade to 
> something newer.
>
>
> -- 
> Bazsi
>
> On Mon, Aug 29, 2016 at 8:48 PM, Alarie, Maxime 
> <Alarie.Maxime at hydro.qc.ca <mailto:Alarie.Maxime at hydro.qc.ca>> wrote:
>
> OS: SLes 11 sp4
>
> syslog-ng: syslog-ng-2.0.9-27.34.39.2
>
> Hi,
>
> syslog-ng is configured to read from a application log file and then 
> send it to another file in /var/log (tcpdump is not installed, I cant 
> install it on a blackbox so this is how I test my config)
>
> I have the following in my syslog-ng configuration file:
>
> source ESRS {
>
> file("/opt/esrsve/gateway/xGate.log");
>
> };
>
> destination esrsfile{ file("/var/log/max.log" );};
>
> log { source(ESRS);
>
> destination(esrsfile);
>
> };
>
> The problem I am seeing is that when syslog writes to the outputfile 
> (esrsfile) it truncatedthe lines.
>
> ex: Source File : [ 0, 6, 1, 1007] 08-29-2016 13:56:28.703 IMPORTANT 
> INFO EDDEMC: Data Item::PMStatus *Current Value::Offline*
>
> And the destination file looiks like this:
>
> ... ...
>
> Aug 29 14:00:02 hostname C
>
> Aug 29 14:00:02 hostname u
>
> Aug 29 14:00:02 hostname r
>
> Aug 29 14:00:02 hostname r
>
> Aug 29 14:00:02 hostname e
>
> Aug 29 14:00:02 hostname n
>
> Aug 29 14:00:02 hostname t
>
> Aug 29 14:00:02 hostname
>
> Aug 29 14:00:02 hostname V
>
> Aug 29 14:00:02 hostname a
>
> Aug 29 14:00:02 hostname l
>
> Aug 29 14:00:02 hostname u
>
> Aug 29 14:00:02 hostname e
>
> Aug 29 14:00:02 hostname :
>
> Aug 29 14:00:02 hostname :
>
> Aug 29 14:00:02 hostname O
>
> Aug 29 14:00:02 hostname f
>
> Aug 29 14:00:02 hostname f
>
> Aug 29 14:00:02 hostname l
>
> Aug 29 14:00:02 hostname i
>
> Aug 29 14:00:02 hostname n
>
> Aug 29 14:00:02 hostname e
>
> ... ...
>
> What am I doing wrong here?
>
> Thanks much!
>
>
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>
>
>
> ______________________________________________________________________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
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>

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